Nozzle coupling



FIG. 1 is a perspective view of my design for a nozzle coupling;

FIG. 2 is a front view of the design for a nozzle coupling shown in FIG.1;

FIG. 3 is a rear view of the design for a nozzle coupling shown in FIG.1;

FIG. 4 is a top view of the design for a nozzle coupling shown in FIG.1;

FIG. 5 is a bottom view of the design for a nozzle coupling shown inFIG. 1;

FIG. 6 is a right side view of the design for a nozzle coupling shown inFIG. 1; and,

FIG. 7 is a left side view of the design for a nozzle coupling shown inFIG. 1.

I claim the ornamental design for a nozzle coupling, as shown anddescribed.